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이재형,이문규,최문철,조흥기,기노석 의과학연구소 1990 全北醫大論文集 Vol.14 No.2
This study was conducted to know the chemical characteristics of rain and snow precipitation in Chonbuk province from December 1989 to February 1990, total 92 samples were collected at eight sites and analyzed for sulfate, nitrate, chloride, zinc, lead, cadmium and pH. The results were summarized as follows; 1. pH value was ranging fron 4.12 to 6.61 with an average 4.98 2. The order of anion content was CI> SO_4^-2 > NO_3 and the ratio of sulfat and nitrate content was 1.32. 3. The order of heavy metal concentration was Zn> Pb> Cd and the ionic correlations of heavy metal were higher than those of anion. 4. In rain and snow, there were no statistical difference among ion levels, but significant difference by area. (Key words: rain, snow, precipitation, heavy metal)
노홍균,이문이 대구효성가톨릭대학교 식품과학연구소 1995 식품과학지 Vol.7 No.-
게 가공 폐기물을 부가가치가 높은 키틴 자원으로 활용코자, 이들 폐기물로부터 키틴을 효율적으로 분리할 수 있는 조건을 설정하고 이로 부터 제조된 키틴의 물리화학적 성질을 조사하였다. 탈회분은 원료중량의 15배에 해당하는 1N HCl로 실온에서 30분간 교반함으로서, 탈단백질은 탈회분된 시료에 원료중량의 15배에 해당하는 5% NaOH용액으로 65℃에서 1시간 동안 교반함으로서 가장 효율적으로 이루어졌다. 탈색소는 원료중량의 10배에 해당하는 0.32% NaOCl로 3분간 처리시 가장 바람직하였다. 침지에 의한 탈회분 및 탈단백질은 교반에 비해 추출 효율성이 낮고 장시간을 요하였다. 백색의 최종 키틴제품은 질소함량이 6.45%, 회분은 0.15%이었으며, 5% lithium chloride를 함유한 N,N-dimethylacetamide용액(DMAc-5% LiCl)에서 0.1% 키틴의 점도는 12.8cP를 나타냈다. 또한 DMAc-5% LiCl에서 키틴의 용해도는 58.4%를 나타냈으며, bulk density는 입자 크기가 20~40mesh일 때 0.27g/㎖, 100mesh 이하일 때는 0.43g/㎖를 나타내었다. 입자 크기에 따른 키틴의 질소 및 회분함량에는 별차이가 없었으며, 키틴의 수율은 입자의 크기가 클수록 증가하는 경향이었다. 키틴 제조시 탈색공정은 키틴의 점도를 감소시켰으며 용해도에는 별 영향이 없었다. Procedures for isolation of chitin have been developed from crab(Chionoecetes opilio) shell waste with 26. 65% chitin on a dry basis. Optimal conditions for demineralization of crab shell were 1N HCl at ambient temperature for 30min with a solids to solvent ratio of 1: 15(w/v). Optimal deproteinization involved treatment with 5% NaOH at 65℃ for 1hr with a solids to solvent ratio of 1: 15(w/v). Effective decoloration was achieved by bleaching with 0.32% sodium hypochlorite solution for 3min with a solids to solvent ratio of 1: 10(w/v). Particular attention was given to characterization of the physicochemical properties of the crab chitin. Chitins, from four different mesh sizes of crab shell, did not show significant differences in nitrogen and ash compositions. Bleaching decreased the viscosity of chitin but did not affect its solubility.
노홍균,김지숙,이문이,조영인 대구효성가톨릭대학교 식품과학연구소 1994 식품과학지 Vol.6 No.-
여러 pH 조건 및 키토산 농도하에서 쌀세척 폐수로부터 부유성 고형물을 효과적으로 응집, 회수할 수 있는 방법을 모색하였다. 키토산 첨가에 따른 탁도감소효과는 pH가 낮아짐에 따라 작았으며 pH 6 이상에서는 키토산 농도가 증가함에 따라 현저히 컸다. 그러나, 폐수의 탁도감소는 키토산 농도와는 관계없이 pH 4일 때 가장 효과적 이었으며 pH가 증가함에 따라 저하하였다. 쌀세척 폐수내의 부유성 고형물은 폐수의 pH를 4로 조정한 후 원심분리하므로서 가장 효과적으로 침전, 회수할 수 있었다. 이 때 탁도감소는 99% 이상을 나타내었으며, 폐수내 부유물질의 농도차와 pH 조정제로 사용된 산종류는 탁도감소에 영향을 미치지 않았다. 폐수의 탁도감소 효과는 저장기간이 길어짐에 따라 저하하였다. Treatment of rice-washing wastewater was considered under various pH levels and chitosan concentrations. Compared with the control test, addition of chitosan at the various concentrations did not noticeably enhanced turbidity reduction at pH 4 and 5, but greatly enhanced at above pH 6. However, reduction of turbidity in the wastewater, irrespective of chitosan concentrations, was the greatest at pH 4 and became lower by increasing pH. Suspended solids in the wastewater were the most effectively recovered by pH adjustment of the wastewater to 4 followed by centrifugation, with over 99% reduction in turbidity. Different concentrations of suspended solids in the wastewater and various kinds of acids used for pH adjustment did not affect turbidity reduction. Increasing storage periods of the wastewater resulted in lower reductions in turbidity.
집합조직을 이용한 알루미늄판재의 성형성 향상에 관한 연구
이문규,제창웅,박노진 國立金烏工科大學校 産業技術開發硏究院 2002 産業技術開發硏究 Vol.18 No.-
In order to improve the formability of Al-sheet, control of the crystallographic texture is essential because of the anisotropic nature of plastic properties. The formation of texture is governed by the thermomechanical processes such as cold rolling and annealing. In order to obtain different textures, cold rolling with/without lubrication and recrystallization were applied. The through-thickness texture gradient is formed during the cold rolling without lubrication. The center layer mainly consisted of the β-fiber texture but surface layer was composed of (001}<100) shear texture. Recrystallization with rolling texture of β-fiber led to typically an increase of the {001<100>-Cube component at the expense of the β-fiber orientation. However, from the rolling of {001}<100). shear component the recrystallization texture was observed which is composed by relatively strong {0.469 .814 0.342}<0.848 0.524 0.082>-, {112}<7 11 2>- and weak {001}<110>- {011}<011>-components. Much higher r-values were estimated with {0.469 0.814 0.342}<0.848 0.524 0.082>- {112}<7 11 2>-components than {001}<100>-Cube recrystallization texture.
조직문화 유형이 조직유효성에 미치는 영향에 관한 연구 -조직커뮤니케이션의 조절효과 중심으로-
김문준 ( Mun-jun Kim ),김노사 ( No-sa Kim ),노유진 ( Yu-jin No ) 산업진흥원 2017 산업진흥연구 Vol.2 No.1
본 연구는 조직유효성에 미치는 조직문화와 조직커뮤니케이션 요인 간의 상호작용이 조직유효성에 어떻게 영향관 계를 미치는지에 대해 살펴보고자 하였다. 본 연구에 대한 실증분석을 위해 중소기업 핵심직무 교육과정에 참석한 교육대 상자를 대상으로 설문 진단을 실시하였다. 본 연구의 가설을 검증하기 위해 통계프로그램 SPSS 20.0을 통해 기술통계 분석, 상관관계분석, 회귀분석, 다중회귀분석, 조절효과 분석으로 조직문화 유형과 조직유효성 간의 영향관계에서 조직커뮤 니케이션의 조절효과를 분석하였다. 본 연구에 대한 실증분석 결과 조직문화 유형은 조직유효성인 조직몰입과 직무만족에 긍정적인 영향을 미치지만, 조직커뮤니케이션의 조절효과에서는 조직문화의 과업지향문화 유형만이 조직유효성인 조직몰입과 직무만족에서만 긍정적인 조절효과를 나타내었다. 이에 본 연구는 조직문화 유형와 조직유효성 간의 영향 관계에서 조직커뮤니케이션의 조절효과를 분석함으로써 기존 선행 연구에 대한 이론적 타당성을 재검토 하였다. 한편, 변수들 간의 상호작용 효과를 실증 분석함으로써 변수 개별적으로 이루어졌던 선행연구들 간의 통합을 추구했다는 점에서 의의를 찾을 수 있다. The purpose of this study was to examine how the interaction between organizational culture and organizational communication factors on the effectiveness of a set of organizations has an effect on organizational effectiveness. For the empirical analysis of this study, we conducted a questionnaire survey on the subjects who participated in the core job training course of SMEs. To test the hypothesis of this study, we analyzed the moderating effects of organizational communication on the relationship between organizational culture type and organizational effectiveness by statistical analysis, correlation analysis, regression analysis, multiple regression analysis, and control effect analysis through statistical program SPSS 20.0. The results of the empirical analysis show that organizational culture type positively influences organizational commitment and job satisfaction, but organizational culture has a positive effect on organizational culture. It exhibited a positive moderating effect. Therefore, this study reviewed the theoretical validity of existing studies by analyzing the moderating effects of organizational communication in the relationship between organizational culture type and organizational effectiveness. On the other hand, the empirical analysis of the interaction effects of variables can be interpreted as the pursuit of integration between prior researches that were performed individually
부인암에서 전인병소절제술 (Metastasectomy) 6예의 보고
문을주 ( Mun Eul Ju ),박연진 ( Park Yeon Jin ),정희환 ( Jeong Hui Hwan ),노주원 ( No Ju Won ),심정석 ( Sim Jeong Seog ),박상재 ( Park Sang Jae ),박종림 ( Park Jong Lim ),이종목 ( Lee Jong Mog ),조재일 ( Jo Jae Il ),조대순 ( Jo Dae 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.5
To report cases of metastasectomy for metastatic gynecologic malignancies, we reviewed the medical records of all patients who have undergone metastasectomy for metastatic gynecologic malignancies in Center for Uterine Cancer from June 2001 to October 2002. Six patients were identified with median age of 55 years (range 52-66 years). The metastatic sites and primary sites were as follows : 3 liver metastasis from ovary ; 1 abdominal wall metastasis from uterus (endometrial cancer), 1 brain metastasis from ovary, 1 lung metastasis from uterus (sarcoma). The median disease free interval was 48 months (range 10 months-13 years). There was no perioperative mortality. Postoperative morbidity was tolerable with 1 case of bile leakage. In three patients with hepatectomy, one patient was dead of disease after 15 months, one patient is alive with disease at 20 months of follow up, one patient have no evidence of recurrence at 7 months follow up. The patient with brai metastasis was dead due to lung metastsis after 9 months later postoperatively. Remaining two patients with abdominal wall and lung metastasis have no evidence of tumor recurrence at 4, 7 months follow up respectively. Metastasectomy for metastatic gynecologic malignancies can be performed safely and may help prologn survival in carefully selected patients.